IGLB vs VOO
iShares 10+ Year Investment Grade Corporate Bond ETF vs Vanguard S&P 500 ETF
Quick Verdict
VOO has a lower expense ratio. VOO delivered stronger 1-year returns. IGLB offers more diversification with 1393 holdings.
Side-by-Side Comparison
| Metric | IGLB | VOO | Winner |
|---|---|---|---|
| Expense Ratio | 0.04% | 0.03% | |
| AUM | $2.6B | $979.0B | |
| Dividend Yield | 5.23% | 1.09% | |
| Holdings | 3,825 | 509 | |
| YTD Return | -1.92% | +14.48% | |
| 1Y Return | -0.31% | +22.02% | |
| 3Y Return (annualized) | +4.29% | +21.80% | |
| 5Y Return (annualized) | -3.13% | +13.36% | |
| Volatility (annualized) | 10.5% | 14.2% | |
| Max Drawdown | -34.7% | -34.3% | |
| Fund Family | iShares by BlackRock (US) | Vanguard (US) | |
| Category | Fixed Income | Equity | |
| Inception | Dec 8, 2009 | Sep 7, 2010 |
IGLB vs VOO Performance
iShares 10+ Year Investment Grade Corporate Bond ETF (IGLB) is a ETF from iShares by BlackRock (US) and Vanguard S&P 500 ETF (VOO) is a ETF from Vanguard (US). Over the past year IGLB returned -0.31% while VOO returned +22.02%. Year to date, IGLB is down 1.92% versus a gain of 14.48% for VOO.
Over three years, IGLB compounded at +4.29% per year against +21.80% for VOO; over five years the annualized figures are -3.13% and +13.36% respectively. Across the full 16-year window we track, VOO has the edge at +13.61% annualized vs +1.16%. Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
VOO has been the more volatile fund, with annualized monthly volatility of 14.2% compared with 10.5% for IGLB. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -34.7% for IGLB and -34.3% for VOO. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.
The two funds' monthly returns correlate at 0.46. They move independently enough that combining them can meaningfully diversify a portfolio.
Fees and Cost Over Time
IGLB charges 0.04% per year while VOO charges 0.03%. On a $10,000 position that is $4 vs $3 annually, a gap of $1 per year that compounds over a long holding period. On income, IGLB currently yields 5.23% against 1.09% for VOO.
Holdings Overlap
IGLB and VOO share 2 holdings out of 1896 unique holdings combined, representing a 0.1% weight overlap.
Moderate overlap means holding both could provide meaningful diversification benefits.
Top Shared Holdings
| Stock | Weight in IGLB | Weight in VOO | Difference |
|---|---|---|---|
| MMC 4.75 03/15/39 | 0.04% | 0.12% | 0.08% |
| ADM | 0.01% | 0.06% | 0.05% |
Frequently Asked Questions
Which is cheaper, IGLB or VOO?
IGLB has an expense ratio of 0.04% while VOO charges 0.03%. VOO is the cheaper option. On a $10,000 investment, that is $1 per year of difference.
Which performed better, IGLB or VOO?
Over the past year IGLB returned -0.31% vs +22.02% for VOO, so VOO leads on 1-year performance. Over the longest common window we track (16 years), IGLB annualized +1.16% vs +13.61% for VOO. Past performance does not guarantee future results.
Which is riskier, IGLB or VOO?
VOO has been the more volatile fund at 14.2% annualized versus 10.5% for IGLB. Worst drawdown: IGLB -34.7% vs VOO -34.3%.
Should I hold both IGLB and VOO?
IGLB and VOO have a monthly-return correlation of 0.46, so combining them can provide real diversification depending on your allocation goals.
What is the holdings overlap between IGLB and VOO?
IGLB and VOO share 2 common holdings with a 0.1% weight overlap. Combined, they hold 1896 unique securities.
Which pays a higher dividend, IGLB or VOO?
IGLB yields 5.23% while VOO yields 1.09%, so IGLB currently pays the higher dividend yield.
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